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Schedule I - Summary of Investments - Other Than Investments in Related Parties (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Summary of Investments - Other Than Investments in Related Parties |
Cost | $ 109,173.2
Amount as shown in the consolidated statement of financial position | 103,375.8
Fixed maturities, available-for-sale: | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 74,048.4
Fair value | 68,251.0
Amount as shown in the consolidated statement of financial position | 68,251.0
Unallocated portfolio layer method basis adjustment, cost | (55.7)
U.S. Treasury securities and obligations of U.S. government corporations and agencies | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 1,937.4
Fair value | 1,637.9
Amount as shown in the consolidated statement of financial position | 1,637.9
States, municipalities and political subdivisions | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 7,207.8
Fair value | 6,076.5
Amount as shown in the consolidated statement of financial position | 6,076.5
Foreign governments | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 567.3
Fair value | 495.7
Amount as shown in the consolidated statement of financial position | 495.7
Public utilities | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 5,761.2
Fair value | 4,466.3
Amount as shown in the consolidated statement of financial position | 4,466.3
Redeemable preferred stock | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 251.7
Fair value | 236.7
Amount as shown in the consolidated statement of financial position | 236.7
All other corporate bonds | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 32,898.2
Fair value | 30,999.6
Amount as shown in the consolidated statement of financial position | 30,999.6
Residential mortgage-backed pass-through securities | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 3,881.3
Fair value | 3,674.2
Amount as shown in the consolidated statement of financial position | 3,674.2
Commercial mortgage-backed securities | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 5,634.3
Fair value | 5,188.0
Amount as shown in the consolidated statement of financial position | 5,188.0
Collateralized debt obligations | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 6,518.7
Fair value | 6,560.4
Amount as shown in the consolidated statement of financial position | 6,560.4
Other debt obligations | Available-for-sale |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 9,446.2
Fair value | 8,915.7
Amount as shown in the consolidated statement of financial position | 8,915.7
Fixed maturities, trading | Trading |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 1,023.3
Fair value | 1,023.3
Amount as shown in the consolidated statement of financial position | 1,023.3
Equity securities |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 2,295.0
Fair value | 2,295.0
Amount as shown in the consolidated statement of financial position | 2,295.0
Banks, trust and insurance companies |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 329.2
Fair value | 329.2
Amount as shown in the consolidated statement of financial position | 329.2
Public utilities |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 0.8
Fair value | 0.8
Amount as shown in the consolidated statement of financial position | 0.8
Industrial, miscellaneous and all other |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 1,707.9
Fair value | 1,707.9
Amount as shown in the consolidated statement of financial position | 1,707.9
Other corporate |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 160.7
Fair value | 160.7
Amount as shown in the consolidated statement of financial position | 160.7
Non-redeemable preferred stock |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 96.4
Fair value | 96.4
Amount as shown in the consolidated statement of financial position | 96.4
Mortgage loans |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 20,484.2
Amount as shown in the consolidated statement of financial position | 20,484.2
Real estate acquired in satisfaction of debt |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 0.8
Amount as shown in the consolidated statement of financial position | 0.8
Other real estate |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 2,463.7
Amount as shown in the consolidated statement of financial position | 2,463.7
Policy loans |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 867.5
Amount as shown in the consolidated statement of financial position | 867.5
Other investments |
Summary of Investments - Other Than Investments in Related Parties |
Cost | 7,990.3
Amount as shown in the consolidated statement of financial position | $ 7,990.3

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